take note of the areas of light that surround the connect -- and connect the cities here. so now the after image two days later. you can see the size and the density of the lights where they shrink around baltimore and washington. pretty amazing when you consider what happened. >>> on to other news, just in to cn, the key gauge of the housing market hits a new low now, but for once it could actually be a good thing, especially if you're looking to buy or refinance. alison kosik at the new york stock exchange. alison, what is it? >> at a record low, 3.62%. it's a hit new low in the past 10, 11 weeks. i mentioned it's a good sign. it's actually a double-edged sword. mortgage rates obviously fall when the economy isn't doing well. the manufacturing sector is contracting. then you flip the coin over and it's actually a great time for people to buy a home when you see mortgage rates falling like this. but you have to remember, just because mortgage rates and home prices are low, don, it doesn't necessarily mean you can qualify for a loan. you know, banks are still very tight, v